2) one-way and double travel
单道双行
3) Ducol Punched Card
单行双孔卡
4) duplex signalling unit
双工信号单元
5) bidirectional operation on single track
单线双向运行
1.
This paper discusses the characteristics of bidirectional operation on single track and its extent of application,compares the merits and defects of this operation mode and points out notices for its application.
论述地铁单线双向运行方式的特点和应用范围,对这种运行方式进行优劣比较,分析其使用注意事项;以南京地铁的一起故障处理事件为例,阐述单线双向运行方式在地铁行车组织中的应用。
6) double buds of single stem of few and thin planting
双芽单行稀播
1.
The experiment and demonstration showed that the quantitites of planting will be reduced to half and increased reproduction to double comparing conventional reproduction techniques,which with double buds of single stem of few and thin planting,planting60～75thousand buds per ha.
通过试验示范,形成了甘蔗良种双芽单行稀播繁殖技术,公顷下种6～7。
补充资料：[(9,10-二氢-9,10-二氧代-1,4-亚蒽基)二亚氨基]双[(4-氯苯氧基)苯磺酸钠]
CAS：71720-84-8
分子式：C38H24Cl2N2O10S2·2Na
中文名称：[(9,10-二氢-9,10-二氧代-1,4-亚蒽基)二亚氨基]双[(4-氯苯氧基)苯磺酸钠]
英文名称：Benzenesulfonic acid, [(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis[(4-chlorophenoxy)-, disodium salt
分子式：C38H24Cl2N2O10S2·2Na
中文名称：[(9,10-二氢-9,10-二氧代-1,4-亚蒽基)二亚氨基]双[(4-氯苯氧基)苯磺酸钠]
英文名称：Benzenesulfonic acid, [(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis[(4-chlorophenoxy)-, disodium salt
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条